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- 2025年12月05日
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- 保存条件：
4°C, protect from light
- 库存：
货期：1-2天
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MedChemExpress LLC
- CAS号：
76-59-5
- 规格：
1 g
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Bromothymol Blue
CAS No. : 76-59-5
MCE 国际站：Bromothymol Blue
产品活性：Bromothymol Blue 是一种 pH 指示剂，是测定弱酸弱碱时使用的一种指示剂，其酸性时为黄色，碱性时为蓝色。
研究领域：Others
作用靶点：Fluorescent Dye
In Vitro: A first characterization and comparison is done by developing an easy and direct measurement method based on a pH indicator system using Bromothymol Blue (BTB) as the indicator and potassium phosphate as the buffer. A pH-shift assay is developed on the basis of Bromothymol Blue as the pH indicator and potassium phosphate as the buffer component. Three pH indicators are tested for the direct determination of 2- 2-keto-L-gulonic acid (2-KLG) production on a plate. The results show that Bromothymol Blue is superior to the other two indicators in terms of the obvious color change and a suitable pH range (blue to yellow at pH 6.5-7.5). Upon the addition of a Bromothymol Blue solution (0.1%, w/v) to an agar plate, zones surrounding colonies of K. vulgare 07 mutants change their color from blue to yellow because K. vulgare 07 mutants release 2-KLG on agar plates, thereby acidifying surrounding areas around colonies.
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文献和实验4.32 4.20 4.10 4.03 3.96 3.87 3.77 3.67 3.56 3.45 3.33 9 10 5.46 4.83 4.47 4.24 4.07 3.95 3.85 3.78 3.72 3.62 3.52 3.42 3.31 3.20 3.08 10 11 5.26 4.63 4.27 4.04 3.88 3.76 3.66 3.59 3.53 3.43 3.33 3.23 3.12 3.00 2.88 11 12 5.10 4.47 4.12 3.89
动物种类 肠 道 长 度 单位 全长 小肠 盲肠 大肠 狗 m 2.2-5
5.82 6.00 6.16 4.95 5.92 6.54 7.01 7.37 7.68 7.94 8.17 8.37 8 3.26 4.04 4.53 4.89 5.17 5.40 5.60 5.77 5.92 4.75 5.64 6.20 6.62 6.96 7.24 7.47 7.68 7.86 9 3.20 3.95 4.41 4.76 5.02 5.24 5.43 5.59 5.74 4.60 5.43 5.96 6.35 6.66 6.91 7.13 7.33 7.49 10
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